Report for 20191

Name

AS20191 - Pontificia Universidad Catolica de Chile, CL

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS4637) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

20191 Pontificia Universidad Catolica de Chile

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS16471   Adexus S.A.
    AS6429    Core Internet AT&T Chile

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1383  AS20191  ORIGIN  Originate:     131072 /15.00  Transit:          0 /0.00  Pontificia Universidad Catolica de Chile

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
  445 AS20191 Pontificia Universidad Catolica de Chile     33     32      1      2     31  93.94%


  Prefix               AS Path                              Aggregation Suggestion
  146.155.0.0/16       4637 3549 28513 6429 20191   
  146.155.0.0/21       4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.8.0/21       4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.16.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.24.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.32.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.40.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.48.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.56.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.64.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.72.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.80.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.88.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.96.0/21      4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.104.0/21     4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.112.0/21     4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.120.0/21     4637 3549 28513 6429 20191 - Withdrawn - matching aggregate 146.155.0.0/16 4637 3549 28513 6429 20191
  146.155.128.0/17     4637 3549 16471 20191 + Announce - aggregate of 146.155.128.0/18 (4637 3549 16471 20191) and 146.155.192.0/18 (4637 3549 16471 20191)
  146.155.128.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.136.0/21 (4637 3549 16471 20191)
  146.155.136.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.128.0/21 (4637 3549 16471 20191)
  146.155.144.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.152.0/21 (4637 3549 16471 20191)
  146.155.152.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.144.0/21 (4637 3549 16471 20191)
  146.155.160.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.168.0/21 (4637 3549 16471 20191)
  146.155.168.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.160.0/21 (4637 3549 16471 20191)
  146.155.176.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.184.0/21 (4637 3549 16471 20191)
  146.155.184.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.176.0/21 (4637 3549 16471 20191)
  146.155.192.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.200.0/21 (4637 3549 16471 20191)
  146.155.200.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.192.0/21 (4637 3549 16471 20191)
  146.155.208.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.216.0/21 (4637 3549 16471 20191)
  146.155.216.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.208.0/21 (4637 3549 16471 20191)
  146.155.224.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.232.0/21 (4637 3549 16471 20191)
  146.155.232.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.224.0/21 (4637 3549 16471 20191)
  146.155.240.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.248.0/21 (4637 3549 16471 20191)
  146.155.248.0/21     4637 3549 16471 20191 - Withdrawn - aggregated with 146.155.240.0/21 (4637 3549 16471 20191)

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS20191   32 More Specifics   33 Total Advertisements   Pontificia Universidad Catolica de Chile
    146.155.0.0/21                146.155.0.0/16
    146.155.8.0/21                146.155.0.0/16
    146.155.16.0/21               146.155.0.0/16
    146.155.24.0/21               146.155.0.0/16
    146.155.32.0/21               146.155.0.0/16
    146.155.40.0/21               146.155.0.0/16
    146.155.48.0/21               146.155.0.0/16
    146.155.56.0/21               146.155.0.0/16
    146.155.64.0/21               146.155.0.0/16
    146.155.72.0/21               146.155.0.0/16
    146.155.80.0/21               146.155.0.0/16
    146.155.88.0/21               146.155.0.0/16
    146.155.96.0/21               146.155.0.0/16
    146.155.104.0/21              146.155.0.0/16
    146.155.112.0/21              146.155.0.0/16
    146.155.120.0/21              146.155.0.0/16
    146.155.128.0/21              146.155.0.0/16
    146.155.136.0/21              146.155.0.0/16
    146.155.144.0/21              146.155.0.0/16
    146.155.152.0/21              146.155.0.0/16
    146.155.160.0/21              146.155.0.0/16
    146.155.168.0/21              146.155.0.0/16
    146.155.176.0/21              146.155.0.0/16
    146.155.184.0/21              146.155.0.0/16
    146.155.192.0/21              146.155.0.0/16
    146.155.200.0/21              146.155.0.0/16
    146.155.208.0/21              146.155.0.0/16
    146.155.216.0/21              146.155.0.0/16
    146.155.224.0/21              146.155.0.0/16
    146.155.232.0/21              146.155.0.0/16
    146.155.240.0/21              146.155.0.0/16
    146.155.248.0/21              146.155.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS20191 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20191\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded